Suggest an alternative to

totp

Simple TOTP (RFC 6238) class

Why do you think that https://github.com/grahammitchell/google-authenticator is a good alternative to totp

A URL to the alternative repo (e.g. GitHub, GitLab)

Here you can share your experience with the project you are suggesting or its comparison with totp. Optional.

A valid email to send you a verification link when necessary or log in.